FR782023A - Improvement in the tuning of railway tracks - Google Patents

Improvement in the tuning of railway tracks

Info

Publication number
FR782023A
FR782023A FR782023DA FR782023A FR 782023 A FR782023 A FR 782023A FR 782023D A FR782023D A FR 782023DA FR 782023 A FR782023 A FR 782023A
Authority
FR
France
Prior art keywords
tuning
improvement
railway tracks
railway
tracks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR782023A publication Critical patent/FR782023A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/185—Use of direct current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR782023D 1933-12-23 1934-11-29 Improvement in the tuning of railway tracks Expired FR782023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US782023XA 1933-12-23 1933-12-23

Publications (1)

Publication Number Publication Date
FR782023A true FR782023A (en) 1935-05-27

Family

ID=22142581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782023D Expired FR782023A (en) 1933-12-23 1934-11-29 Improvement in the tuning of railway tracks

Country Status (1)

Country Link
FR (1) FR782023A (en)

Similar Documents

Publication Publication Date Title
FR763528A (en) Track for toy vehicles
FR782023A (en) Improvement in the tuning of railway tracks
FR769402A (en) Billiards
FR765866A (en) Table tennis
FR791609A (en) Improvements to railway tracks
FR771031A (en) Improvement in railway tracks
FR761336A (en) Improvements in the construction of railway bogies
FR769943A (en) Joint for railway tracks
FR761143A (en) Improvements to railway crossings
CH170665A (en) Rail vehicle with bogies.
FR769984A (en) Toy railroad tracks
FR773594A (en) Improvements to rails and in particular to railway rails
FR796205A (en) Improvements made to railway track circuits
FR763944A (en) Improvements to notching-drills for railway sleepers
ES139646A1 (en) Improvements in railway tracks circuits.
CH170662A (en) Rail car.
FR756380A (en) Ball thrower
FR832374A (en) Improvements to railway cars
FR757108A (en) Billiards
FR753561A (en) Billiards
FR753220A (en) rail brake electromagnet
FR810189A (en) Railroad bogie
CA332545A (en) Railway track circuit
FR734302A (en) Improvements to railway tracks
FR765886A (en) Improvement of wooden sleepers for railways